負曲率半徑 的英文怎麼說

中文拼音 [bànjìng]
負曲率半徑 英文
nroc
  • : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ數詞1 (二分之一) half 2 (在 中間的) in the middle; halfway 3 (比喻很少) very little; the l...
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  1. It is now necessary to introduce a sign convention for radii of curvature.

    現在必須介紹的正號規則。
  2. On the basis of 3d modeling and virtual prototyping technology and energy saving transformation method for parameterized simulation moving beam typed oil suction pump, and using the eccentric gear reducer to replace the ordinary gear reducer to let the driving radius of eccentric gear be kept a variation of similar tendency with the load of crank in order to improve load property of the motor, thus raised the working efficiency of the entire oil suction pump and achieved the effect of energy saving

    摘要基於三維建模和虛擬樣機技術,參數化模擬游梁式抽油機節能改造方法,用偏心齒輪減速器代替普通齒輪減速器,使偏心齒輪驅動載保持同趨勢變化,以改善電機載特性,提高整個抽油機的工作效,達到了節能的效果。
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